Rector-Elements - baruim

Baruim BY: Alex Tennill

the founder of Baruim is Sir Humphry Davy, its was found in 1808.
baruim come from the greek word brays
symbol Ba
atomic number 56
atomic mass 137.327amu
number of protons 56
neutrons 81
electrons 56
baruim is solid at room temperature
physicl facts of baruim

-melting point - 725.0 degrees celisus
-boling point - 1140.0 degrees celisus
- density - 3.51 g/cm3

uses of baruim is for medical applications, sparkplugs, vacuum tubes, fireworks, fluorescant lamps, paint,sources:

http://www.rsc.org/chttp://

www.chemicalelements.com/elements/ba.htmlhemsoc/visualelements/pages/data/barium_data.html
http://www.facts-about.org.uk/science-element-barium.htm

http://education.jlab.org/itselemental/ele056.html